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1-552: Bersin is a village in Kyustendil Municipality , Kyustendil Province , south-western Bulgaria . This Kyustendil Province , Bulgaria location article is a stub . You can help Misplaced Pages by expanding it . Kyustendil Municipality Kyustendil Municipality is a municipality in Kyustendil Province , Bulgaria . The administrative centre is Kyustendil . According to the latest Bulgarian census of 2011,
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